// SPDX-License-Identifier: GPL-2.0/* * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) */ #include <linux/init.h>#include <linux/memblock.h>#include <linux/initrd.h>#include <asm/types.h>#include <init.h>#include <os.h> #include "um_arch.h" /* Changed by uml_initrd_setup, which is a setup */static char *initrd __initdata = NULL; int __init read_initrd(void){	unsigned long long size;	void *area; 	if (!initrd)		return 0; 	area = uml_load_file(initrd, &size);	if (!area)		return 0; 	initrd_start = (unsigned long) area;	initrd_end = initrd_start + size;	return 0;} static int __init uml_initrd_setup(char *line, int *add){	*add = 0;	initrd = line;	return 0;} __uml_setup("initrd=", uml_initrd_setup,"initrd=<initrd image>\n""    This is used to boot UML from an initrd image.  The argument is the\n""    name of the file containing the image.\n\n");